6.5
MEDIUM
CVE-2018-6390
Kingsoft WPS Office Buffer Overread Vulnerability
Description

The WStr::assign function in kso.dll in Kingsoft WPS Office 10.1.0.7106 and 10.2.0.5978 does not validate the size of the source memory block before an _copy call, which allows remote attackers to cause a denial of service (access violation and application crash) via a crafted (a) web page, (b) office document, or (c) .rtf file.

INFO

Published Date :

Jan. 29, 2018, 7:29 p.m.

Last Modified :

Jan. 28, 2021, 3:16 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2018-6390 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-6390 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wps wps_office
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-6390.

URL Resource
https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Exploiting Wordpress vulnerabilities discovered via WPScan

Updated: 3 years, 11 months ago
0 stars 1 fork 1 watcher
Born at : Feb. 6, 2020, 2:40 a.m. This repo has been linked 3 different CVEs too.

Exploiting Wordpress vulnerabilities discovered via WPScan

Updated: 3 years, 5 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 18, 2019, 10:34 p.m. This repo has been linked 3 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-6390 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-6390 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jan. 28, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed CPE Configuration OR *cpe:2.3:a:ksosoft:wps_office:10.1.0.7106:*:*:*:*:*:*:* *cpe:2.3:a:ksosoft:wps_office:10.2.0.5978:*:*:*:*:*:*:* OR *cpe:2.3:a:wps:wps_office:10.1.0.7106:*:*:*:*:*:*:* *cpe:2.3:a:wps:wps_office:10.2.0.5978:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Feb. 15, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129 No Types Assigned https://github.com/Khwarezmia/WPS_POC/tree/master/wps_20180129 Exploit, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:ksosoft:wps_office:10.1.0.7106:*:*:*:*:*:*:* *cpe:2.3:a:ksosoft:wps_office:10.2.0.5978:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} 0.07%

score

0.59575

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability